Processors and RAM are fixed entities in a PC, but right from day one data is incessantly eating away at your storage space. And it's not just your data (which you can manage) but endless gigabytes of temp files and cached junk.

The supermarket giant acquired Dunnhumby after the data science firm catapulted the retailer to the top of the big data game, and now Dunnhumby looks to expand its offerings by eating up the programmatic ad power held by Sociomantic.